public ActionResult CryptoEncrypted(HttpPostedFileBase upload1, string key, string algoritm) { var baseLocation = Server.MapPath("~/Files/"); var fileName1 = GetUniqueFileName(upload1.FileName); var fileLocation1 = Path.Combine(baseLocation, fileName1); upload1.SaveAs(fileLocation1); StreamReader sr = new StreamReader(fileLocation1, Encoding.Default); string text = sr.ReadToEnd(); if (algoritm == "AES") { text = Crypto.EncryptStringAES(text, key); } else if (algoritm == "TripleDES") { text = TripleDes.Encrypt <TripleDESCryptoServiceProvider>(text, key); } else if (algoritm == "Rijndael") { text = TripleDes.Encrypt <RijndaelManaged>(text, key); } var baseLocationResult = Server.MapPath("~/Text/"); var fileNameRes = GetUniqueFileName("res.txt"); var fileLocationRes = Path.Combine(baseLocationResult, fileNameRes); System.IO.File.AppendAllText(fileLocationRes, text, Encoding.Default); TempData["FileLocationRes"] = fileLocationRes; return(RedirectToAction("PreviewCryptoEn")); }
private XmlNode EncryptDecrypt(bool encrypt, XmlNode node) { string data; using (var tripleDes = new TripleDes(_secret)) { data = encrypt ? tripleDes.Encrypt(node.OuterXml) : tripleDes.Decrypt(node.InnerText); } var xmlDoc = new XmlDocument { PreserveWhitespace = true }; string value = data; if (encrypt) { const string encryptedDataTag = "EncryptedData"; value = string.Format(CultureInfo.InvariantCulture, Constants.XmlTag, encryptedDataTag, data); } xmlDoc.LoadXml(value); // ReSharper disable once AssignNullToNotNullAttribute return(xmlDoc.DocumentElement); }
public string EncryptTest([PexAssumeUnderTest] TripleDes target, string value) { string result = target.Encrypt(value); return(result); // TODO: add assertions to method TripleDesTest.EncryptTest(TripleDes, String) }
public void TestEncryptString() { var encryptor = new TripleDes(); string raw = "Đây là Unicode string", key = "password", salt = "this_is_salt"; byte[] encrypted; byte[] decrypted; // without salt encrypted = encryptor.Encrypt(raw, key); Assert.NotNull(encrypted); decrypted = encryptor.Decrypt(encrypted, key); Assert.NotNull(decrypted); Assert.Equal(raw, decrypted.GetString()); // with salt encrypted = encryptor.Encrypt(raw, key, salt); Assert.NotNull(encrypted); decrypted = encryptor.Decrypt(encrypted, key); Assert.NotNull(decrypted); Assert.Equal(raw, decrypted.GetString()); }
public ActionResult Encrypted(HttpPostedFileBase upload1, HttpPostedFileBase upload2, string key, string algoritm) { var baseLocation = Server.MapPath("~/Files/"); var fileName1 = GetUniqueFileName(upload1.FileName); var fileLocation1 = Path.Combine(baseLocation, fileName1); upload1.SaveAs(fileLocation1); var fileName2 = GetUniqueFileName(upload2.FileName); var fileLocation2 = Path.Combine(baseLocation, fileName2); upload2.SaveAs(fileLocation2); Image image = Image.FromStream(upload2.InputStream); image.Save(fileLocation2); string imagePath = fileLocation2; Bitmap bmp = new Bitmap(imagePath); StreamReader sr = new StreamReader(fileLocation1, Encoding.Default); string text = sr.ReadToEnd(); if (algoritm == "AES") { text = Crypto.EncryptStringAES(text, key); } else if (algoritm == "TripleDES") { text = TripleDes.Encrypt <TripleDESCryptoServiceProvider>(text, key); } else if (algoritm == "Rijndael") { text = TripleDes.Encrypt <RijndaelManaged>(text, key); } Bitmap bmp1 = SteganoHelper.embedText(text, bmp); arr = bmp1.ToByteArray(ImageFormat.Png); MemoryStream ms = new MemoryStream(arr); Image imageResult = Image.FromStream(ms); var fileNameRes = "res.png"; var fileLocationRes = Path.Combine(baseLocation, fileNameRes); imageResult.Save(fileLocationRes); TempData["ImageLocation"] = fileNameRes; return(RedirectToAction("Preview")); }
public void EncryptDescryptTest() { // Arrange var tripleDes = new TripleDes(); string expectedValue = MethodBase.GetCurrentMethod() .Name; // Act string value = tripleDes.Encrypt(expectedValue); string actualValue = tripleDes.Decrypt(value); // Assert Assert.AreEqual(expectedValue, actualValue); Assert.AreNotEqual(expectedValue, value); }